/*
 *  Copyright 2021 Netflix, Inc.
 *
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 *
 */
package com.netflix.hollow.api.perfapi;

import com.netflix.hollow.core.read.iterator.HollowOrdinalIterator;

public class HollowPerfReferenceIterator {
    
    private final long elementMaskedTypeIdx;
    private final HollowOrdinalIterator iter;

    private int next;
    
    public HollowPerfReferenceIterator(HollowOrdinalIterator iter, long elementMaskedTypeIdx) {
        this.iter = iter;
        this.elementMaskedTypeIdx = elementMaskedTypeIdx;
        this.next = iter.next(); 
    }
    
    public boolean hasNext() {
        return next != HollowOrdinalIterator.NO_MORE_ORDINALS;
    }
    
    public long next() {
        long nextRef = Ref.toRefWithTypeMasked(elementMaskedTypeIdx, next);
        next = iter.next();
        return nextRef;
    }
    
}
